### Abstract

We revisit the singular IIB supergravity solution describing M-fractional 3-branes on the conifold [hep-th/0002159]. Its 5-form flux decreases, which we explain by showing that the relevant N = 1 SUSY SU(N + M) x SU(N) gauge theory undergoes repeated Seiberg-duality transformations in which N → N - M. Far in the IR the gauge theory confines; its chiral symmetry breaking removes the singularity of [hep-th/0002159] by deforming the conifold. We propose a non-singular pure-supergravity background dual to the field theory on all scales, with small curvature everywhere if the 't Hooft coupling gsM is large. In the UV it approaches that of [hep-th/0002159], incorporating the logarithmic flow of couplings. In the IR the deformation of the conifold gives a geometrical realization of chiral symmetry breaking and confinement. We suggest that pure N = 1 Yang-Mills may be dual to strings propagating at small g_{s}M on a warped deformed conifold. We note also that the standard model itself may lie at the base of a duality cascade.

Original language | English (US) |
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Pages (from-to) | 21-35 |

Number of pages | 15 |

Journal | Journal of High Energy Physics |

Volume | 4 |

Issue number | 8 PART B |

DOIs | |

State | Published - Jan 1 2000 |

### All Science Journal Classification (ASJC) codes

- Nuclear and High Energy Physics

### Keywords

- AdS-CFT Correspondance
- Confinement
- Duality in Gauge Field Theories
- Non-perturbative Effects

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## Cite this

*Journal of High Energy Physics*,

*4*(8 PART B), 21-35. https://doi.org/10.1088/1126-6708/2000/08/052